Sink



FIG. 1 is a top, front, and left side perspective view of a sink in accordance with the design;

FIG. 2 is a bottom, front, and left side perspective view of a sink of FIG. 1;

FIG. 3 is a top plan view of the sink of FIG. 1;

FIG. 4 is a front elevational view of the sink of FIG. 1;

FIG. 5 is a left side elevational view of the sink of FIG. 1;

FIG. 6 is a right side elevational view of the sink of FIG. 1;

FIG. 7 is a rear elevational view of the sink of FIG. 1;

FIG. 8 is a bottom plan view of the sink of FIG. 1; and

FIG. 9 is a cross-sectional side view of the sink of FIG. 1 taken through line 9-9 of FIG. 3. The dash-dash broken lines are for the purpose of illustrating unclaimed subject matter only and form no part of the claimed design. The dash-dot lines are for the purpose of indicating a boundary of the design on a surface and do not indicate an edge.

In a preferred embodiment, the nature of this product is as a sink such as a bathroom sink. 

CLAIM The ornamental design for a sink, as shown and described. 